Shahid Hussain

Jiangsu University · School of Materials Science and Engineering

As the demand for selective and sensitive gas sensors continues to escalate, the development of novel materials with enhanced performance becomes increasingly imperative. The present investigation delves into the fabrication and implementation of two-dimensional cobalt oxide (Co 3 O 4 ) nanostructures as highly proficient gas sensors for the discer...

Carbon monoxide (CO) is one of the most dangerous gases owing to its dual threat, role in global warming, and severe impact on human health. Metal-organic framework (MOF) gas-sensing materials have drawn the interest of many different sectors due to their unique structural characteristics. This study used a solvothermal technique and subsequent ann...

In the realm of environmental protection, there is a growing demand for efficient and environmentally friendly gas sensors. In this study, we employed a simple hydrothermal method to synthesize nanosheets composed of zinc oxide (ZnO)-doped indium oxide (In2O3), utilizing zeolitic imidazolate framework-8 (ZIF-8) as a precursor. These nanosheets demo...

Graphene-based materials have garnered significant interest in the burgeoning field of contemporary flexible and bendable technologies. Graphene has emerged as a prime candidate for the development of flexible electronics due to its outstanding electrical, mechanical, and optical properties, coupled with the ease of functionalizing its derivatives....

Metal-coated Si3N4 ceramic substrates exhibit exceptional reliability, rendering them highly promising candidates for implementation in high-power electronics. To create Ag/Ni coated Si3N4 substrate, Ni coating with a porous structure was generated on the substrate using screen printing in conjunction with a high-temperature sintering technique. Af...

Methanol oxidation stands out as a pivotal solution in addressing the global energy crisis and environmental pollution, owing to its practical applicability, high current density, and the ready availability of methanol as a fuel source. To effectively catalyze methanol oxidation, an electrocatalyst is imperious to overcome the activation energy bar...

Recently, Stone–Wales (SW) defects gradually attracted people’s research interest because of their unique properties. The theoretical research indicated that the SW defect in hexagonal boron nitride (h-BN) can lead to new defect levels in bandgap, making h-BN apply in ultraviolet emitters. However, the SW defect is always observed in graphene and r...

Development of facile sensors for the detection of toxic gases from the environment describes a sustainable approach for monitoring the health of ecosystem. In the current study, In 2 O 3 doped ZnO based gas sensor was designed to detect the trace quantities of NO 2 gas in the environment. The synthesis of In 2 O 3 @ZnO nanosheets were performed by...

Perovskite solar cells are the emerging photovoltaics devices due to their high efficiency because of broad range light absorption and better charge carrier and separation properties. However, in the past few decades their material degradation and instability in the device operation accompanying low power conversion efficiency were the major dra...

Perovskite solar cells are the emerging photovoltaics devices due to their high efficiency because of broad range light absorption and better charge carrier and separation properties. However, in the past few decades their material degradation and instability in the device operation accompanying low power conversion efficiency were the major dra...

Thermoelectric device represent an emerging technique that hold great promise for improving energy utilization efficiency and recovery of waste heat energy. In comparison to inorganic or metallic thermoelectric materials, conducting polymers, consisting of a carbon-based π conjugated backbone, simultaneously possess electrical conductivity of metal...

Lead sulfide (PbS) thin films were initially deposited through chemical bath deposition, followed by sensitization in a pure oxygen atmosphere at 600 • C. To investigate the influence of varying oxide layer states on the pho-toelectric properties of thermally sensitized PbS thin films, the surface oxide layer of the sensitized films was selectively...

The entire world is facing an alarming situation of energy demands and environmental pollution. Single-layer fuel cells are attractive in the era of renewable energy. Developing the materials for single-layer fuel cells (SLFC) is challenging to overcome the low electrical conductivity and polarization losses. In the present research work, novel...

As a multifunctional solvent, deep eutectic solvents (DESs) possess numerous potential applications in a variety of fields due to their low vapor pressure, tunability, environmental friendliness, and the ability to...

The detection of small quantities of hazardous and flammable gases at room temperature is crucial for protecting human health and the environment. In this study, the indium oxide (In 2 O 3) and MXene (Ti 3 C 2) were prepared separately using different techniques and then combined to form a composite through sonication in an ethanol solution. The fi...

Cu 3 SbS 4 is a promising thermoelectric material because it contains non-toxic, economical, and earth-abundant components. This study refers to the practical synthesis of an array of Cu 3 Sb 1− x Pb x S 4 ( x = 0–0.02) samples through the process of melting response, sulfuration technique, and plasma activated sintering. XRD and SEM analysis show...

In order to increase the light extraction efficiency (LEE) of AlGaN deep ultraviolet light-emitting diodes (DUV LEDs), this study employed a sapphire substrate with a microlens array. Light extraction efficiency is increased by increasing transverse electric (TE) polarized light output by the use of a microlens array (MLA) created by inductively co...

In this study, cerium nitrate hexahydrate was used as a precursor to create nanocrystalline ceria nanoparticles, which were then created utilizing a simple and economical sol-gel method by adjusting the pH of the reactants between 6 and 12. Under direct sun radiation, wastewater containing methyl orange (MO) was photodegraded using the produced CeO...

In this study, cerium nitrate hexahydrate was used as a precursor to create nanocrystalline ceria nanoparticles, which were then created utilizing a simple and economical sol-gel method by adjusting the pH of the reactants between 6 and 12. Under direct sun radiation, wastewater containing methyl orange (MO) was photodegraded using the produced CeO...

In this document, RF magnetron sputtering to generate a set of composite coatings comprising MoN and Ag, exhibiting diverse concentrations of silver (Ag). Comprehensive investigations were conducted to scrutinize the coatings, encompassing an examination of their microstructure, mechanical attributes, and tribological performance. This multi-facete...

Two-dimensional nanomaterials (2DNMs) have attracted significant research interest due to their outstanding structural properties, which include unique electrical nanostructures, large surface areas, and high surface reactivity. These adaptable materials have outstanding physicochemical characteristics, making them useful in a variety of applicatio...

Constructing superior Z-type photocatalytic heterojunction is beneficial to effectively enlarge interface contact, improve the photo-generated carrier separation rate, and retain the high redox ability. In this work, we designed a hierarchical core–shell g-C3N4/TiO2 structure to build Z-type heterojunction via combining simple template method and p...

Green synthesis has always been the preferred choice for nanoparticles because it uses biological extract from plant sources that are nonhazardous to the environment. Specifically, the physicochemical and optical properties of ZnO nanoparticles (ZnO NPs) make them economically feasible for various industrial applications. In the present study, ZnO...

ZnCo 2 O 4 nanosheets show excellent supercapacitive performance due to their well-developed and uniform architecture. The unique nanosheets with wide facets deliver outstanding electrochemical supercapacitor performance. As a result, the catalyst exhibits a specific capacitance of 700 F/g at a current density of 1 A/g. Interestingly, the material...

Cu3SbSe4 is a potential p-type thermoelectric material, distinguished by its earth-abundant, inexpensive, innocuous, and environmentally friendly components. Nonetheless, the thermoelectric performance is poor and remains subpar. Herein, the electrical and thermal transport properties of Cu3SbSe4 were synergistically optimized by S alloying. Firstl...

Energy crisis of the current society have attract the research attention for alternative energy sources. Methanol oxidation is source of energy but need efficient electrocatalyst like Pt. However, their practical ability is hinder due to cost and poisoning effect. In this regard, efficient catalyst is required for methanol oxidation. Herein, high t...

Gas sensors operated at low temperature or room temperature are highly desirable from the point of view of low power consumption. Unfortunately, the senor performance is significantly affected by the environmental moisture due to the adsorption of water on the surface of the sensing materials at low temperature. Instead of employing a traditional o...

The Covid-19 pandemic has become a huge global health crisis. Whole world is suffering from this virus and yet we are unable to find any evident solution of this virus. This paper summarizes the experiences (facts and figures) of the first, second and third waves of Covid-19 across various regions of the World like Asia, Africa, Europe and South Am...

Realizing the multilayer or bulk MoSe2 cross from indirect bandgap to direct bandgap has drawn increasing attention due to the more practically useable and novel optoelectronic properties. In this work, the feasibility to realize indirect-to-direct band gap transition by intercalating alkali metals into 2H–MoSe2 bilayer was explored and its effect...

In an effort to develop a long-lasting gas sensor, this article presents titanium nitride (TiN) as a potential substitute sensitive material in conjunction with (copper(II) benzene-1,3,5-tricarboxylate) Cu-BTC-derived CuO. The work focused on the gas-sensing characteristics of TiN/CuO nanoparticles in detecting H2S gas at various temperatures and c...

In this report, the hydrothermal method was adopted to prepare Mo–Cu dual-doped NiO nanorods. A single phase, with the face-centered cubic geometry was confirmed by an x-ray diffraction study in all the nanostructures. A drop in crystallite size with increasing Cu concentrations has a significant impact on the electrochemical performance. Scanning...

Appropriate wastewater treatment methods for effectual and practical decontamination of wastewater bodies is the prime goal of today’s environmentalists and industrialists. Herein, sunlight driven photocatalytic degradation of rhodamine-B (RhB) has been investigated by employing hydrothermally synthesized tin oxide-graphene oxide (SnO 2 /GO) nanoco...

Harmful consequences on human health have been caused by the rapidly rising levels of environmentally hazardous gases. It is necessary to detect these polluting gases using a variety of methods. Nanoparticles engraved spherical-shaped indium oxide structures are synthesized via a simple one-step solvothermal method. The synthesized products were su...

Gold (Au) nanoparticles have flourished a promise for solicitations in biology due to their processability and high performance in the release of therapeutics. The use of leaf substances in the fundamental biosynthesis and manufacturing of nano-phytomedicine is the cooperative effort between plant science and nanotechnology, yielding a green nanost...

Lithium sulfur (Li‐S) batteries have the advantages of high theoretical specific capacity (1675 mAh g‐1), rich sulfur resources, low production cost and friendly environment, which makes it one of the most promising next generation rechargeable energy storage devices. However, the “shuttle effect” of polysulfide results in the passivation of metal...

The borate glass 35B 2 O 3-25SiO 2-25Na 2 O-10ZnO 3-5BaO (in wt.%) formed the basis for the glass system employed in this study. In air at various pressures and temperatures, 96 wt.% pure alumina ceramics (96 Al 2 O 3) were brazed together using glass solder. At the same time, the wettability of the glass on the Al 2 O 3 ceramics is researched at d...

Prefabricated MAX (Ti 3 SiC 2 , Ti 3 AlC 2) phase coating materials with coefficient of thermal expansion Si and SiC as transition layers and excellent high-temperature antioxidant properties were used for ultra-high-speed laser melting on the surface of carbon/carbon composites, so that the produced coatings have good interfacial bonding and high-...

Phosphorene nanoribbons (PNRs) combine the flexibility of one-dimensional (1D) nanomaterials with the large specific surface area and the edge and electron confinement effects of two-dimensional (2D) nanomaterials. In despite of substantial advances in bulk black phosphorus (BP) manufacturing, achieving PNRs without degradation is still a big chall...

Considering that H2S is a hazardous gas that poses a significant risk to people's lives, research into H2S gas sensors has garnered a lot of interest. This work reports a CuO/ZnO multifaceted nanostructures(NS) created by heat treating Cu2+/ZIF-8 impregnation precursors, and their microstructure and gas sensing characteristics were examined using v...

Herein, we report the synthesis, characterization, and gas sensing properties of zinc oxide (ZnO) nanoflowers grown by facile simple solution process. The synthesized ZnO nanoflowers were examined by various techniques to explore their structural, morphological, optical, compositional and gas sensing properties. The details morphological and struct...

To address the needs of gas sensitivity performance testing, a multi-channel gas sensor detection system based on an STM32 microcontroller and LabVIEW was designed. This system combines signal acquisition, data processing, date display, and storage into a single unit. The target gases are detected using the sensor array, and the regulated electrica...

Stuffing the needled carbon felts preform via chemical vapor infiltration (CVI) (propylene as precursor) or resin impregnation/carbonization (phenolic resin as precursor) or combining the two processes results in three types of low-density carbon/carbon composites (LDC/C) with various carbon matrixes. The performance factors involving density, poro...